11522407 has 4 divisors (see below), whose sum is σ = 12408760. Its totient is φ = 10636056.

The previous prime is 11522363. The next prime is 11522411. The reversal of 11522407 is 70422511.

It is a happy number.

11522407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70422511 = 541 ⋅130171.

It is a cyclic number.

It is not a de Polignac number, because 11522407 - 2²³ = 3133799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443157 + ... + 443182.

It is an arithmetic number, because the mean of its divisors is an integer number (3102190).

Almost surely, 2^11522407 is an apocalyptic number.

11522407 is a deficient number, since it is larger than the sum of its proper divisors (886353).

11522407 is an equidigital number, since it uses as much as digits as its factorization.

11522407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886352.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 11522407 is about 3394.4671157635. The cubic root of 11522407 is about 225.8643755147.

Adding to 11522407 its reverse (70422511), we get a palindrome (81944918).

It can be divided in two parts, 115 and 22407, that added together give a palindrome (22522).

The spelling of 11522407 in words is "eleven million, five hundred twenty-two thousand, four hundred seven".