13881654 has 24 divisors (see below), whose sum is σ = 30646512. Its totient is φ = 4539600.

The previous prime is 13881653. The next prime is 13881671. The reversal of 13881654 is 45618831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881653) 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 11 ways as a sum of consecutive naturals, for example, 6322 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (1276938).

Almost surely, 2^13881654 is an apocalyptic number.

13881654 is an abundant number, since it is smaller than the sum of its proper divisors (16764858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13881654 is a wasteful number, since it uses less digits than its factorization.

13881654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612 (or 14609 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 13881654 is about 3725.8091738574. The cubic root of 13881654 is about 240.3331830736. Note that the first 3 decimals are identical.

It can be divided in two parts, 13881 and 654, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 13881654 in words is "thirteen million, eight hundred eighty-one thousand, six hundred fifty-four".