13538233 has 2 divisors, whose sum is σ = 13538234. Its totient is φ = 13538232.

The previous prime is 13538197. The next prime is 13538269. The reversal of 13538233 is 33283531.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13538197) and next prime (13538269).

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 1923769 = 3408^2 + 1387^2 .

It is a cyclic number.

It is not a de Polignac number, because 13538233 - 2⁹ = 13537721 is a prime.

It is not a weakly prime, because it can be changed into another prime (13538033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6769116 + 6769117.

It is an arithmetic number, because the mean of its divisors is an integer number (6769117).

Almost surely, 2^13538233 is an apocalyptic number.

It is an amenable number.

13538233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13538233 is an equidigital number, since it uses as much as digits as its factorization.

13538233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 13538233 is about 3679.4337879625. The cubic root of 13538233 is about 238.3347277971.

The spelling of 13538233 in words is "thirteen million, five hundred thirty-eight thousand, two hundred thirty-three".