13154890 has 16 divisors (see below), whose sum is σ = 27061632. Its totient is φ = 4510224.

The previous prime is 13154887. The next prime is 13154903. The reversal of 13154890 is 9845131.

It is a super-2 number, since 2×13154890² = 346102261824200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93894 + ... + 94033.

It is an arithmetic number, because the mean of its divisors is an integer number (1691352).

Almost surely, 2^13154890 is an apocalyptic number.

13154890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13154890 is an abundant number, since it is smaller than the sum of its proper divisors (13906742).

13154890 is a wasteful number, since it uses less digits than its factorization.

13154890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187941.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13154890 is about 3626.9670525110. The cubic root of 13154890 is about 236.0636259550.

The spelling of 13154890 in words is "thirteen million, one hundred fifty-four thousand, eight hundred ninety".