13154889 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 7404800.

The previous prime is 13154887. The next prime is 13154903. The reversal of 13154889 is 98845131.

It is a cyclic number.

It is not a de Polignac number, because 13154889 - 2¹ = 13154887 is a prime.

It is a super-2 number, since 2×13154889² = 346102209204642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13154887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73402 + ... + 73580.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^13154889 is an apocalyptic number.

It is an amenable number.

13154889 is a deficient number, since it is larger than the sum of its proper divisors (7373751).

13154889 is a wasteful number, since it uses less digits than its factorization.

13154889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 34560, while the sum is 39.

The square root of 13154889 is about 3626.9669146547. The cubic root of 13154889 is about 236.0636199734.

The spelling of 13154889 in words is "thirteen million, one hundred fifty-four thousand, eight hundred eighty-nine".