13970642 has 16 divisors (see below), whose sum is σ = 24164352. Its totient is φ = 5933760.

The previous prime is 13970633. The next prime is 13970653. The reversal of 13970642 is 24607931.

13970642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13970599 and 13970608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (1510272).

Almost surely, 2^13970642 is an apocalyptic number.

13970642 is a deficient number, since it is larger than the sum of its proper divisors (10193710).

13970642 is a wasteful number, since it uses less digits than its factorization.

13970642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13970642 is about 3737.7322001449. The cubic root of 13970642 is about 240.8456395761.

The spelling of 13970642 in words is "thirteen million, nine hundred seventy thousand, six hundred forty-two".