13240464 has 40 divisors (see below), whose sum is σ = 34938240. Its totient is φ = 4318848.

The previous prime is 13240463. The next prime is 13240481. The reversal of 13240464 is 46404231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13240463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (873456).

Almost surely, 2^13240464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13240464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17469120).

13240464 is an abundant number, since it is smaller than the sum of its proper divisors (21697776).

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

13240464 is a wasteful number, since it uses less digits than its factorization.

13240464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927 (or 5921 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 13240464 is about 3638.7448385398. The cubic root of 13240464 is about 236.5743932642.

Adding to 13240464 its reverse (46404231), we get a palindrome (59644695).

The spelling of 13240464 in words is "thirteen million, two hundred forty thousand, four hundred sixty-four".