13993151 has 8 divisors (see below), whose sum is σ = 14401584. Its totient is φ = 13590720.

The previous prime is 13993127. The next prime is 13993157. The reversal of 13993151 is 15139931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13993151 - 2⁶ = 13993087 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 (13993157) 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, 3461 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (1800198).

Almost surely, 2^13993151 is an apocalyptic number.

13993151 is a deficient number, since it is larger than the sum of its proper divisors (408433).

13993151 is an equidigital number, since it uses as much as digits as its factorization.

13993151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001.

The product of its digits is 3645, while the sum is 32.

The square root of 13993151 is about 3740.7420386870. The cubic root of 13993151 is about 240.9749174725.

The spelling of 13993151 in words is "thirteen million, nine hundred ninety-three thousand, one hundred fifty-one".