11277897 has 8 divisors (see below), whose sum is σ = 15555840. Its totient is φ = 7259280.

The previous prime is 11277883. The next prime is 11277943. The reversal of 11277897 is 79877211.

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

It is not a de Polignac number, because 11277897 - 2⁴ = 11277881 is a prime.

It is a super-3 number, since 3×11277897³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11272897) 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, 64729 + ... + 64902.

It is an arithmetic number, because the mean of its divisors is an integer number (1944480).

Almost surely, 2^11277897 is an apocalyptic number.

It is an amenable number.

11277897 is a deficient number, since it is larger than the sum of its proper divisors (4277943).

11277897 is a wasteful number, since it uses less digits than its factorization.

11277897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129663.

The product of its digits is 49392, while the sum is 42.

The square root of 11277897 is about 3358.2580305867. The cubic root of 11277897 is about 224.2552959256.

The spelling of 11277897 in words is "eleven million, two hundred seventy-seven thousand, eight hundred ninety-seven".