11307290 has 16 divisors (see below), whose sum is σ = 20564712. Its totient is φ = 4475904.

The previous prime is 11307287. The next prime is 11307293. The reversal of 11307290 is 9270311.

It is an interprime number because it is at equal distance from previous prime (11307287) and next prime (11307293).

It can be written as a sum of positive squares in 4 ways, for example, as 9840769 + 1466521 = 3137^2 + 1211^2 .

It is not an unprimeable number, because it can be changed into a prime (11307293) 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, 4859 + ... + 6798.

Almost surely, 2^11307290 is an apocalyptic number.

11307290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11307290 is a deficient number, since it is larger than the sum of its proper divisors (9257422).

11307290 is a wasteful number, since it uses less digits than its factorization.

11307290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 11307290 is about 3362.6314100716. The cubic root of 11307290 is about 224.4499485810.

The spelling of 11307290 in words is "eleven million, three hundred seven thousand, two hundred ninety".