15233997 has 8 divisors (see below), whose sum is σ = 20784544. Its totient is φ = 9919728.

The previous prime is 15233993. The next prime is 15234013. The reversal of 15233997 is 79933251.

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

It is not a de Polignac number, because 15233997 - 2² = 15233993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15233993) 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, 58918 + ... + 59175.

It is an arithmetic number, because the mean of its divisors is an integer number (2598068).

Almost surely, 2^15233997 is an apocalyptic number.

It is an amenable number.

15233997 is a deficient number, since it is larger than the sum of its proper divisors (5550547).

15233997 is a wasteful number, since it uses less digits than its factorization.

15233997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118139.

The product of its digits is 51030, while the sum is 39.

The square root of 15233997 is about 3903.0753259449. The cubic root of 15233997 is about 247.8970100022.

The spelling of 15233997 in words is "fifteen million, two hundred thirty-three thousand, nine hundred ninety-seven".