11387407 has 4 divisors (see below), whose sum is σ = 11394216. Its totient is φ = 11380600.

The previous prime is 11387359. The next prime is 11387423. The reversal of 11387407 is 70478311.

11387407 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70478311 = 17 ⋅4145783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11387407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11382407) 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, 1032 + ... + 4882.

It is an arithmetic number, because the mean of its divisors is an integer number (2848554).

Almost surely, 2^11387407 is an apocalyptic number.

11387407 is a deficient number, since it is larger than the sum of its proper divisors (6809).

11387407 is an equidigital number, since it uses as much as digits as its factorization.

11387407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 11387407 is about 3374.5232255831. The cubic root of 11387407 is about 224.9788095270.

The spelling of 11387407 in words is "eleven million, three hundred eighty-seven thousand, four hundred seven".