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12423044 = 224372227
BaseRepresentation
bin101111011000…
…111110000100
3212101011012202
4233120332010
511140014134
61122134032
7210410534
oct57307604
925334182
1012423044
117015687
1241b1318
13275c71a
1419154c4
151155d7e
hexbd8f84

12423044 has 12 divisors (see below), whose sum is σ = 22246224. Its totient is φ = 6066984.

The previous prime is 12423031. The next prime is 12423053. The reversal of 12423044 is 44032421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35942 + ... + 36285.

It is an arithmetic number, because the mean of its divisors is an integer number (1853852).

Almost surely, 212423044 is an apocalyptic number.

It is an amenable number.

12423044 is a deficient number, since it is larger than the sum of its proper divisors (9823180).

12423044 is a wasteful number, since it uses less digits than its factorization.

12423044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72274 (or 72272 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12423044 is about 3524.6338816961. The cubic root of 12423044 is about 231.6021968067.

Adding to 12423044 its reverse (44032421), we get a palindrome (56455465).

The spelling of 12423044 in words is "twelve million, four hundred twenty-three thousand, forty-four".

Divisors: 1 2 4 43 86 172 72227 144454 288908 3105761 6211522 12423044