11451649 has 8 divisors (see below), whose sum is σ = 12608640. Its totient is φ = 10314000.

The previous prime is 11451641. The next prime is 11451653. The reversal of 11451649 is 94615411.

11451649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11451649 - 2³ = 11451641 is a prime.

It is a super-2 number, since 2×11451649² = 262280529638402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11451649.

It is not an unprimeable number, because it can be changed into a prime (11451641) 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, 3577 + ... + 5974.

It is an arithmetic number, because the mean of its divisors is an integer number (1576080).

Almost surely, 2^11451649 is an apocalyptic number.

It is an amenable number.

11451649 is a deficient number, since it is larger than the sum of its proper divisors (1156991).

11451649 is a wasteful number, since it uses less digits than its factorization.

11451649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671.

The product of its digits is 4320, while the sum is 31.

The square root of 11451649 is about 3384.0285164283. The cubic root of 11451649 is about 225.4010887031.

It can be divided in two parts, 11451 and 649, that added together give a square (12100 = 110²).

The spelling of 11451649 in words is "eleven million, four hundred fifty-one thousand, six hundred forty-nine".