11312405 has 16 divisors (see below), whose sum is σ = 14810880. Its totient is φ = 8244288.

The previous prime is 11312393. The next prime is 11312443. The reversal of 11312405 is 50421311.

11312405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11312405 - 2¹² = 11308309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4034 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (925680).

Almost surely, 2^11312405 is an apocalyptic number.

It is an amenable number.

11312405 is a deficient number, since it is larger than the sum of its proper divisors (3498475).

11312405 is a wasteful number, since it uses less digits than its factorization.

11312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11312405 is about 3363.3918891500. The cubic root of 11312405 is about 224.4837877655.

Adding to 11312405 its reverse (50421311), we get a palindrome (61733716).

The spelling of 11312405 in words is "eleven million, three hundred twelve thousand, four hundred five".