13970629 has 4 divisors (see below), whose sum is σ = 13990176. Its totient is φ = 13951084.

The previous prime is 13970581. The next prime is 13970633. The reversal of 13970629 is 92607931.

13970629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13970629 - 2⁷ = 13970501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8659 + ... + 10144.

It is an arithmetic number, because the mean of its divisors is an integer number (3497544).

Almost surely, 2^13970629 is an apocalyptic number.

It is an amenable number.

13970629 is a deficient number, since it is larger than the sum of its proper divisors (19547).

13970629 is an equidigital number, since it uses as much as digits as its factorization.

13970629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19546.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 13970629 is about 3737.7304611221. The cubic root of 13970629 is about 240.8455648719.

The spelling of 13970629 in words is "thirteen million, nine hundred seventy thousand, six hundred twenty-nine".