11697140 has 48 divisors (see below), whose sum is σ = 30237312. Its totient is φ = 3701376.

The previous prime is 11697131. The next prime is 11697167. The reversal of 11697140 is 4179611.

11697140 = T₂₈₆ + T₂₈₇ + ... + T₄₅₃.

It is a congruent 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, 1394 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (629944).

Almost surely, 2^11697140 is an apocalyptic number.

11697140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11697140 is an abundant number, since it is smaller than the sum of its proper divisors (18540172).

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

11697140 is a wasteful number, since it uses less digits than its factorization.

11697140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456 (or 6454 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11697140 is about 3420.1081854234. The cubic root of 11697140 is about 227.0003687238. Note that the first 3 decimals are identical.

The spelling of 11697140 in words is "eleven million, six hundred ninety-seven thousand, one hundred forty".