13949651 has 2 divisors, whose sum is σ = 13949652. Its totient is φ = 13949650.

The previous prime is 13949633. The next prime is 13949657. The reversal of 13949651 is 15694931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13949651 - 2¹⁴ = 13933267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13949657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974825 + 6974826.

It is an arithmetic number, because the mean of its divisors is an integer number (6974826).

Almost surely, 2^13949651 is an apocalyptic number.

13949651 is a deficient number, since it is larger than the sum of its proper divisors (1).

13949651 is an equidigital number, since it uses as much as digits as its factorization.

13949651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 13949651 is about 3734.9231585134. The cubic root of 13949651 is about 240.7249549538.

The spelling of 13949651 in words is "thirteen million, nine hundred forty-nine thousand, six hundred fifty-one".