11401457 has 8 divisors (see below), whose sum is σ = 11628000. Its totient is φ = 11176704.

The previous prime is 11401451. The next prime is 11401471. The reversal of 11401457 is 75410411.

It is a happy number.

11401457 is digitally balanced in base 3, 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 11401457 - 2²² = 7207153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11401451) 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, 25169 + ... + 25617.

It is an arithmetic number, because the mean of its divisors is an integer number (1453500).

Almost surely, 2^11401457 is an apocalyptic number.

It is an amenable number.

11401457 is a deficient number, since it is larger than the sum of its proper divisors (226543).

11401457 is an equidigital number, since it uses as much as digits as its factorization.

11401457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 11401457 is about 3376.6043594120. The cubic root of 11401457 is about 225.0712992146.

Adding to 11401457 its reverse (75410411), we get a palindrome (86811868).

The spelling of 11401457 in words is "eleven million, four hundred one thousand, four hundred fifty-seven".