13746890 has 16 divisors (see below), whose sum is σ = 25348680. Its totient is φ = 5364480.

The previous prime is 13746883. The next prime is 13746907. The reversal of 13746890 is 9864731.

It can be written as a sum of positive squares in 4 ways, for example, as 8219689 + 5527201 = 2867^2 + 2351^2 .

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, 16355 + ... + 17174.

Almost surely, 2^13746890 is an apocalyptic number.

13746890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13746890 is a deficient number, since it is larger than the sum of its proper divisors (11601790).

13746890 is a wasteful number, since it uses less digits than its factorization.

13746890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33577.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13746890 is about 3707.6798675182. The cubic root of 13746890 is about 239.5529292903.

The spelling of 13746890 in words is "thirteen million, seven hundred forty-six thousand, eight hundred ninety".