13981674 has 32 divisors (see below), whose sum is σ = 32071680. Its totient is φ = 3980592.

The previous prime is 13981661. The next prime is 13981679. The reversal of 13981674 is 47618931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13981679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19087 + ... + 19805.

It is an arithmetic number, because the mean of its divisors is an integer number (1002240).

Almost surely, 2^13981674 is an apocalyptic number.

13981674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13981674 is an abundant number, since it is smaller than the sum of its proper divisors (18090006).

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

13981674 is a wasteful number, since it uses less digits than its factorization.

13981674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 36288, while the sum is 39.

The square root of 13981674 is about 3739.2076700820. The cubic root of 13981674 is about 240.9090179574.

The spelling of 13981674 in words is "thirteen million, nine hundred eighty-one thousand, six hundred seventy-four".