11497420 has 36 divisors (see below), whose sum is σ = 26544672. Its totient is φ = 4180000.

The previous prime is 11497397. The next prime is 11497487. The reversal of 11497420 is 2479411.

11497420 = T₂₀₇ + T₂₀₈ + ... + T₄₂₆.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^11497420 is an apocalyptic number.

11497420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11497420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272336).

11497420 is an abundant number, since it is smaller than the sum of its proper divisors (15047252).

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

11497420 is a wasteful number, since it uses less digits than its factorization.

11497420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11497420 is about 3390.7845699779. The cubic root of 11497420 is about 225.7009907399.

Subtracting from 11497420 its reverse (2479411), we obtain a square (9018009 = 3003²).

The spelling of 11497420 in words is "eleven million, four hundred ninety-seven thousand, four hundred twenty".