13490144 has 24 divisors (see below), whose sum is σ = 27714960. Its totient is φ = 6451456.

The previous prime is 13490137. The next prime is 13490153. The reversal of 13490144 is 44109431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8429 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (1154790).

Almost surely, 2^13490144 is an apocalyptic number.

It is an amenable number.

13490144 is an abundant number, since it is smaller than the sum of its proper divisors (14224816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13490144 is a wasteful number, since it uses less digits than its factorization.

13490144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18362 (or 18354 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13490144 is about 3672.8931375688. The cubic root of 13490144 is about 238.0521976702.

Adding to 13490144 its reverse (44109431), we get a palindrome (57599575).

The spelling of 13490144 in words is "thirteen million, four hundred ninety thousand, one hundred forty-four".