15313397 has 12 divisors (see below), whose sum is σ = 16930368. Its totient is φ = 13840200.

The previous prime is 15313367. The next prime is 15313409. The reversal of 15313397 is 79331351.

It is not a de Polignac number, because 15313397 - 2¹⁰ = 15312373 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 (15313307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32558 + ... + 33024.

It is an arithmetic number, because the mean of its divisors is an integer number (1410864).

Almost surely, 2^15313397 is an apocalyptic number.

It is an amenable number.

15313397 is a deficient number, since it is larger than the sum of its proper divisors (1616971).

15313397 is a wasteful number, since it uses less digits than its factorization.

15313397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 749 counting only the distinct ones).

The product of its digits is 8505, while the sum is 32.

The square root of 15313397 is about 3913.2335734019. The cubic root of 15313397 is about 248.3269458692.

The spelling of 15313397 in words is "fifteen million, three hundred thirteen thousand, three hundred ninety-seven".