13798537 has 2 divisors, whose sum is σ = 13798538. Its totient is φ = 13798536.

The previous prime is 13798523. The next prime is 13798549. The reversal of 13798537 is 73589731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 3455881 = 3216^2 + 1859^2 .

It is a cyclic number.

It is not a de Polignac number, because 13798537 - 2⁷ = 13798409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13798493 and 13798502.

It is not a weakly prime, because it can be changed into another prime (13799537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6899268 + 6899269.

It is an arithmetic number, because the mean of its divisors is an integer number (6899269).

Almost surely, 2^13798537 is an apocalyptic number.

It is an amenable number.

13798537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13798537 is an equidigital number, since it uses as much as digits as its factorization.

13798537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 13798537 is about 3714.6382058015. The cubic root of 13798537 is about 239.8525541099.

The spelling of 13798537 in words is "thirteen million, seven hundred ninety-eight thousand, five hundred thirty-seven".