11247690 has 32 divisors (see below), whose sum is σ = 28169856. Its totient is φ = 2868800.

The previous prime is 11247683. The next prime is 11247739. The reversal of 11247690 is 9674211.

It is a happy number.

It is a super-2 number, since 2×11247690² = 253021060672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461 + ... + 8840.

It is an arithmetic number, because the mean of its divisors is an integer number (880308).

Almost surely, 2^11247690 is an apocalyptic number.

11247690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11247690 is an abundant number, since it is smaller than the sum of its proper divisors (16922166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11247690 is a wasteful number, since it uses less digits than its factorization.

11247690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 11247690 is about 3353.7575941025. The cubic root of 11247690 is about 224.0548999151.

The spelling of 11247690 in words is "eleven million, two hundred forty-seven thousand, six hundred ninety".