15260997 has 8 divisors (see below), whose sum is σ = 20445280. Its totient is φ = 10125360.

The previous prime is 15260977. The next prime is 15261007. The reversal of 15260997 is 79906251.

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

It is not a de Polignac number, because 15260997 - 2¹⁴ = 15244613 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 (15260977) 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 7 ways as a sum of consecutive naturals, for example, 11422 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (2555660).

Almost surely, 2^15260997 is an apocalyptic number.

It is an amenable number.

15260997 is a deficient number, since it is larger than the sum of its proper divisors (5184283).

15260997 is a wasteful number, since it uses less digits than its factorization.

15260997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24323.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 15260997 is about 3906.5326057771. The cubic root of 15260997 is about 248.0433771247.

The spelling of 15260997 in words is "fifteen million, two hundred sixty thousand, nine hundred ninety-seven".