13969974 has 16 divisors (see below), whose sum is σ = 28254960. Its totient is φ = 4604160.

The previous prime is 13969973. The next prime is 13970009. The reversal of 13969974 is 47996931.

13969974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13969973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12547 + ... + 13614.

It is an arithmetic number, because the mean of its divisors is an integer number (1765935).

Almost surely, 2^13969974 is an apocalyptic number.

13969974 is an abundant number, since it is smaller than the sum of its proper divisors (14284986).

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

13969974 is a wasteful number, since it uses less digits than its factorization.

13969974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255.

The product of its digits is 367416, while the sum is 48.

The square root of 13969974 is about 3737.6428400798. The cubic root of 13969974 is about 240.8418008727.

The spelling of 13969974 in words is "thirteen million, nine hundred sixty-nine thousand, nine hundred seventy-four".