15391201 has 8 divisors (see below), whose sum is σ = 17755200. Its totient is φ = 13068528.

The previous prime is 15391183. The next prime is 15391217. The reversal of 15391201 is 10219351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15391201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15391261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9526 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (2219400).

Almost surely, 2^15391201 is an apocalyptic number.

It is an amenable number.

15391201 is a deficient number, since it is larger than the sum of its proper divisors (2363999).

15391201 is a wasteful number, since it uses less digits than its factorization.

15391201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 15391201 is about 3923.1621174762. The cubic root of 15391201 is about 248.7468004605.

The spelling of 15391201 in words is "fifteen million, three hundred ninety-one thousand, two hundred one".