15960901 has 4 divisors (see below), whose sum is σ = 17411904. Its totient is φ = 14509900.

The previous prime is 15960899. The next prime is 15960961. The reversal of 15960901 is 10906951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10906951 = 11 ⋅991541.

It is a cyclic number.

It is not a de Polignac number, because 15960901 - 2¹ = 15960899 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15960961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725485 + ... + 725506.

It is an arithmetic number, because the mean of its divisors is an integer number (4352976).

Almost surely, 2^15960901 is an apocalyptic number.

15960901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15960901 is a deficient number, since it is larger than the sum of its proper divisors (1451003).

15960901 is a wasteful number, since it uses less digits than its factorization.

15960901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451002.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 15960901 is about 3995.1096355419. The cubic root of 15960901 is about 251.7787856690.

It can be divided in two parts, 15960 and 901, that added together give a palindrome (16861).

The spelling of 15960901 in words is "fifteen million, nine hundred sixty thousand, nine hundred one".