13900629 has 4 divisors (see below), whose sum is σ = 18534176. Its totient is φ = 9267084.

The previous prime is 13900613. The next prime is 13900633. The reversal of 13900629 is 92600931.

13900629 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, and also an emirpimes, since its reverse is a distinct semiprime: 92600931 = 3 ⋅30866977.

It is not a de Polignac number, because 13900629 - 2⁴ = 13900613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13900596 and 13900605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900669) 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, 2316769 + ... + 2316774.

It is an arithmetic number, because the mean of its divisors is an integer number (4633544).

Almost surely, 2^13900629 is an apocalyptic number.

It is an amenable number.

13900629 is a deficient number, since it is larger than the sum of its proper divisors (4633547).

13900629 is an equidigital number, since it uses as much as digits as its factorization.

13900629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633546.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13900629 is about 3728.3547309772. The cubic root of 13900629 is about 240.4426379909.

The spelling of 13900629 in words is "thirteen million, nine hundred thousand, six hundred twenty-nine".