11431413 has 24 divisors (see below), whose sum is σ = 18959616. Its totient is φ = 6501600.

The previous prime is 11431403. The next prime is 11431447. The reversal of 11431413 is 31413411.

It is not a de Polignac number, because 11431413 - 2⁶ = 11431349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26308 + ... + 26738.

It is an arithmetic number, because the mean of its divisors is an integer number (789984).

Almost surely, 2^11431413 is an apocalyptic number.

It is an amenable number.

11431413 is a deficient number, since it is larger than the sum of its proper divisors (7528203).

11431413 is a wasteful number, since it uses less digits than its factorization.

11431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11431413 is about 3381.0372668754. The cubic root of 11431413 is about 225.2682430389.

Adding to 11431413 its reverse (31413411), we get a palindrome (42844824).

It can be divided in two parts, 1143 and 1413, that added together give a triangular number (2556 = T₇₁).

The spelling of 11431413 in words is "eleven million, four hundred thirty-one thousand, four hundred thirteen".