10513404 has 72 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 3146400.

The previous prime is 10513379. The next prime is 10513409. The reversal of 10513404 is 40431501.

It is a happy number.

It is a super-2 number, since 2×10513404² = 221063327334432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54949 + ... + 55139.

It is an arithmetic number, because the mean of its divisors is an integer number (407680).

Almost surely, 2^10513404 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 10513404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676480).

10513404 is an abundant number, since it is smaller than the sum of its proper divisors (18839556).

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

10513404 is a wasteful number, since it uses less digits than its factorization.

10513404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10513404 is about 3242.4379716503. The cubic root of 10513404 is about 219.0690968558.

Adding to 10513404 its reverse (40431501), we get a palindrome (50944905).

The spelling of 10513404 in words is "ten million, five hundred thirteen thousand, four hundred four".