15332993 has 16 divisors (see below), whose sum is σ = 17006976. Its totient is φ = 13737600.

The previous prime is 15332971. The next prime is 15333007. The reversal of 15332993 is 39923351.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15332993 - 2¹⁰ = 15331969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15334993) 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, 101468 + ... + 101618.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 2^15332993 is an apocalyptic number.

15332993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15332993 is a deficient number, since it is larger than the sum of its proper divisors (1673983).

15332993 is a wasteful number, since it uses less digits than its factorization.

15332993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 21870, while the sum is 35.

The square root of 15332993 is about 3915.7365846032. The cubic root of 15332993 is about 248.4328257206.

The spelling of 15332993 in words is "fifteen million, three hundred thirty-two thousand, nine hundred ninety-three".