14137621 has 2 divisors, whose sum is σ = 14137622. Its totient is φ = 14137620.

The previous prime is 14137573. The next prime is 14137631. The reversal of 14137621 is 12673141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 1535121 = 3550^2 + 1239^2 .

It is a cyclic number.

It is not a de Polignac number, because 14137621 - 2¹⁹ = 13613333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14137631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7068810 + 7068811.

It is an arithmetic number, because the mean of its divisors is an integer number (7068811).

Almost surely, 2^14137621 is an apocalyptic number.

It is an amenable number.

14137621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14137621 is an equidigital number, since it uses as much as digits as its factorization.

14137621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 14137621 is about 3760.0027925522. The cubic root of 14137621 is about 241.8013817802.

The spelling of 14137621 in words is "fourteen million, one hundred thirty-seven thousand, six hundred twenty-one".