13737961 has 2 divisors, whose sum is σ = 13737962. Its totient is φ = 13737960.

The previous prime is 13737953. The next prime is 13737979. The reversal of 13737961 is 16973731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13690000 + 47961 = 3700^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 13737961 - 2³ = 13737953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13737961.

It is not a weakly prime, because it can be changed into another prime (13737461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6868980 + 6868981.

It is an arithmetic number, because the mean of its divisors is an integer number (6868981).

Almost surely, 2^13737961 is an apocalyptic number.

It is an amenable number.

13737961 is a deficient number, since it is larger than the sum of its proper divisors (1).

13737961 is an equidigital number, since it uses as much as digits as its factorization.

13737961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 37.

The square root of 13737961 is about 3706.4755496293. The cubic root of 13737961 is about 239.5010525535.

The spelling of 13737961 in words is "thirteen million, seven hundred thirty-seven thousand, nine hundred sixty-one".