13990451 has 2 divisors, whose sum is σ = 13990452. Its totient is φ = 13990450.

The previous prime is 13990433. The next prime is 13990469. The reversal of 13990451 is 15409931.

It is a balanced prime because it is at equal distance from previous prime (13990433) and next prime (13990469).

It is a cyclic number.

It is not a de Polignac number, because 13990451 - 2¹⁰ = 13989427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13990481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6995225 + 6995226.

It is an arithmetic number, because the mean of its divisors is an integer number (6995226).

Almost surely, 2^13990451 is an apocalyptic number.

13990451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13990451 is an equidigital number, since it uses as much as digits as its factorization.

13990451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 13990451 is about 3740.3811303128. The cubic root of 13990451 is about 240.9594176486.

It can be divided in two parts, 13990 and 451, that added together give a palindrome (14441).

The spelling of 13990451 in words is "thirteen million, nine hundred ninety thousand, four hundred fifty-one".