13550379 has 8 divisors (see below), whose sum is σ = 18650112. Its totient is φ = 8742120.

The previous prime is 13550347. The next prime is 13550413. The reversal of 13550379 is 97305531.

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

It is not a de Polignac number, because 13550379 - 2⁵ = 13550347 is a prime.

It is a super-2 number, since 2×13550379² = 367225542087282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13550179) 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, 72759 + ... + 72944.

It is an arithmetic number, because the mean of its divisors is an integer number (2331264).

Almost surely, 2^13550379 is an apocalyptic number.

13550379 is a deficient number, since it is larger than the sum of its proper divisors (5099733).

13550379 is a wasteful number, since it uses less digits than its factorization.

13550379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145737.

The product of its (nonzero) digits is 14175, while the sum is 33.

The square root of 13550379 is about 3681.0839436231. The cubic root of 13550379 is about 238.4059815155.

The spelling of 13550379 in words is "thirteen million, five hundred fifty thousand, three hundred seventy-nine".