11257207 has 8 divisors (see below), whose sum is σ = 12270384. Its totient is φ = 10265088.

The previous prime is 11257151. The next prime is 11257217. The reversal of 11257207 is 70275211.

It is a happy number.

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 11257207 - 2⁷ = 11257079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257217) 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, 4138 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (1533798).

Almost surely, 2^11257207 is an apocalyptic number.

11257207 is a deficient number, since it is larger than the sum of its proper divisors (1013177).

11257207 is a wasteful number, since it uses less digits than its factorization.

11257207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10529.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 11257207 is about 3355.1761503683. The cubic root of 11257207 is about 224.1180752384.

The spelling of 11257207 in words is "eleven million, two hundred fifty-seven thousand, two hundred seven".