11898045 has 48 divisors (see below), whose sum is σ = 22194432. Its totient is φ = 5875200.

The previous prime is 11898043. The next prime is 11898059. The reversal of 11898045 is 54089811.

It is not a de Polignac number, because 11898045 - 2¹ = 11898043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78720 + ... + 78870.

It is an arithmetic number, because the mean of its divisors is an integer number (462384).

Almost surely, 2^11898045 is an apocalyptic number.

11898045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11898045 is a deficient number, since it is larger than the sum of its proper divisors (10296387).

11898045 is a wasteful number, since it uses less digits than its factorization.

11898045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 11898045 is about 3449.3542873993. The cubic root of 11898045 is about 228.2926182872.

It can be divided in two parts, 118980 and 45, that added together give a square (119025 = 345²).

The spelling of 11898045 in words is "eleven million, eight hundred ninety-eight thousand, forty-five".