13992375 has 16 divisors (see below), whose sum is σ = 23283936. Its totient is φ = 7462400.

The previous prime is 13992367. The next prime is 13992383. The reversal of 13992375 is 57329931.

It is an interprime number because it is at equal distance from previous prime (13992367) and next prime (13992383).

It is not a de Polignac number, because 13992375 - 2³ = 13992367 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 18282 + ... + 19031.

It is an arithmetic number, because the mean of its divisors is an integer number (1455246).

Almost surely, 2^13992375 is an apocalyptic number.

13992375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13992375 is a deficient number, since it is larger than the sum of its proper divisors (9291561).

13992375 is an equidigital number, since it uses as much as digits as its factorization.

13992375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37331 (or 37321 counting only the distinct ones).

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

The square root of 13992375 is about 3740.6383145126. The cubic root of 13992375 is about 240.9704629124.

The spelling of 13992375 in words is "thirteen million, nine hundred ninety-two thousand, three hundred seventy-five".