13464538 has 4 divisors (see below), whose sum is σ = 20196810. Its totient is φ = 6732268.

The previous prime is 13464533. The next prime is 13464541. The reversal of 13464538 is 83546431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83546431 = 1163 ⋅71837.

It can be written as a sum of positive squares in only one way, i.e., 9941409 + 3523129 = 3153^2 + 1877^2 .

It is not an unprimeable number, because it can be changed into a prime (13464533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3366133 + ... + 3366136.

Almost surely, 2^13464538 is an apocalyptic number.

13464538 is a deficient number, since it is larger than the sum of its proper divisors (6732272).

13464538 is an equidigital number, since it uses as much as digits as its factorization.

13464538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732271.

The product of its digits is 34560, while the sum is 34.

The square root of 13464538 is about 3669.4056739478. The cubic root of 13464538 is about 237.9014845431.

The spelling of 13464538 in words is "thirteen million, four hundred sixty-four thousand, five hundred thirty-eight".