11390691 has 8 divisors (see below), whose sum is σ = 16355920. Its totient is φ = 7009632.

The previous prime is 11390683. The next prime is 11390693. The reversal of 11390691 is 19609311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11390691 - 2³ = 11390683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11390693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145996 + ... + 146073.

It is an arithmetic number, because the mean of its divisors is an integer number (2044490).

Almost surely, 2^11390691 is an apocalyptic number.

11390691 is a deficient number, since it is larger than the sum of its proper divisors (4965229).

11390691 is a wasteful number, since it uses less digits than its factorization.

11390691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292085.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 11390691 is about 3375.0097777636. The cubic root of 11390691 is about 225.0004345671. Note that the first 3 decimals are identical.

The spelling of 11390691 in words is "eleven million, three hundred ninety thousand, six hundred ninety-one".