11303690 has 8 divisors (see below), whose sum is σ = 20346660. Its totient is φ = 4521472.

The previous prime is 11303683. The next prime is 11303693. The reversal of 11303690 is 9630311.

11303690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10297681 + 1006009 = 3209^2 + 1003^2 .

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

It is a super-2 number, since 2×11303690² = 255546815232200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11303693) 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, 565175 + ... + 565194.

Almost surely, 2^11303690 is an apocalyptic number.

11303690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11303690 is a deficient number, since it is larger than the sum of its proper divisors (9042970).

11303690 is a wasteful number, since it uses less digits than its factorization.

11303690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130376.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 11303690 is about 3362.0960723929. The cubic root of 11303690 is about 224.4261260269.

The spelling of 11303690 in words is "eleven million, three hundred three thousand, six hundred ninety".