15381201 has 16 divisors (see below), whose sum is σ = 22514688. Its totient is φ = 9262800.

The previous prime is 15381187. The next prime is 15381217. The reversal of 15381201 is 10218351.

It is not a de Polignac number, because 15381201 - 2⁶ = 15381137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15381251) 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 15 ways as a sum of consecutive naturals, for example, 4116 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (1407168).

Almost surely, 2^15381201 is an apocalyptic number.

15381201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15381201 is a deficient number, since it is larger than the sum of its proper divisors (7133487).

15381201 is a wasteful number, since it uses less digits than its factorization.

15381201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 15381201 is about 3921.8874282672. The cubic root of 15381201 is about 248.6929167097.

Adding to 15381201 its reverse (10218351), we get a palindrome (25599552).

The spelling of 15381201 in words is "fifteen million, three hundred eighty-one thousand, two hundred one".