11898447 has 16 divisors (see below), whose sum is σ = 17635968. Its totient is φ = 7074080.

The previous prime is 11898433. The next prime is 11898449. The reversal of 11898447 is 74489811.

It is a cyclic number.

It is not a de Polignac number, because 11898447 - 2⁴ = 11898431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11898399 and 11898408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (1102248).

Almost surely, 2^11898447 is an apocalyptic number.

11898447 is a deficient number, since it is larger than the sum of its proper divisors (5737521).

11898447 is a wasteful number, since it uses less digits than its factorization.

11898447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870.

The product of its digits is 64512, while the sum is 42.

The square root of 11898447 is about 3449.4125586830. The cubic root of 11898447 is about 228.2951893706.

The spelling of 11898447 in words is "eleven million, eight hundred ninety-eight thousand, four hundred forty-seven".