11274021 has 24 divisors (see below), whose sum is σ = 17873856. Its totient is φ = 6791040.

The previous prime is 11274017. The next prime is 11274037. The reversal of 11274021 is 12047211.

It is not a de Polignac number, because 11274021 - 2² = 11274017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11273985 and 11274003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11274091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25821 + ... + 26253.

It is an arithmetic number, because the mean of its divisors is an integer number (744744).

Almost surely, 2^11274021 is an apocalyptic number.

11274021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11274021 is a deficient number, since it is larger than the sum of its proper divisors (6599835).

11274021 is a wasteful number, since it uses less digits than its factorization.

11274021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11274021 is about 3357.6808960948. The cubic root of 11274021 is about 224.2296022132.

The spelling of 11274021 in words is "eleven million, two hundred seventy-four thousand, twenty-one".