11391070 has 32 divisors (see below), whose sum is σ = 21772800. Its totient is φ = 4278816.

The previous prime is 11391067. The next prime is 11391073. The reversal of 11391070 is 7019311.

It is an interprime number because it is at equal distance from previous prime (11391067) and next prime (11391073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11391073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31551 + ... + 31909.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^11391070 is an apocalyptic number.

11391070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11391070 is a deficient number, since it is larger than the sum of its proper divisors (10381730).

11391070 is a wasteful number, since it uses less digits than its factorization.

11391070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 11391070 is about 3375.0659252821. The cubic root of 11391070 is about 225.0029300030.

It can be divided in two parts, 1139 and 1070, that added together give a square (2209 = 47²).

The spelling of 11391070 in words is "eleven million, three hundred ninety-one thousand, seventy".