11540807 has 4 divisors (see below), whose sum is σ = 12219696. Its totient is φ = 10861920.

The previous prime is 11540791. The next prime is 11540827. The reversal of 11540807 is 70804511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70804511 = 23 ⋅3078457.

It is a cyclic number.

It is not a de Polignac number, because 11540807 - 2⁴ = 11540791 is a prime.

It is a super-2 number, since 2×11540807² = 266380452422498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540827) 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, 339419 + ... + 339452.

It is an arithmetic number, because the mean of its divisors is an integer number (3054924).

Almost surely, 2^11540807 is an apocalyptic number.

11540807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11540807 is a deficient number, since it is larger than the sum of its proper divisors (678889).

11540807 is an equidigital number, since it uses as much as digits as its factorization.

11540807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678888.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11540807 is about 3397.1763274814. The cubic root of 11540807 is about 225.9845383214.

The spelling of 11540807 in words is "eleven million, five hundred forty thousand, eight hundred seven".