13900379 has 2 divisors, whose sum is σ = 13900380. Its totient is φ = 13900378.

The previous prime is 13900361. The next prime is 13900387. The reversal of 13900379 is 97300931.

It is a happy number.

13900379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13900379 - 2¹² = 13896283 is a prime.

It is not a weakly prime, because it can be changed into another prime (13900319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950189 + 6950190.

It is an arithmetic number, because the mean of its divisors is an integer number (6950190).

Almost surely, 2^13900379 is an apocalyptic number.

13900379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13900379 is an equidigital number, since it uses as much as digits as its factorization.

13900379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 13900379 is about 3728.3212039737. The cubic root of 13900379 is about 240.4411965449.

The spelling of 13900379 in words is "thirteen million, nine hundred thousand, three hundred seventy-nine".