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1292 = 221719
BaseRepresentation
bin10100001100
31202212
4110030
520132
65552
73524
oct2414
91685
101292
11a75
128b8
13785
14684
155b2
hex50c

1292 has 12 divisors (see below), whose sum is σ = 2520. Its totient is φ = 576.

The previous prime is 1291. The next prime is 1297. The reversal of 1292 is 2921.

It can be divided in two parts, 129 and 2, that added together give a palindrome (131).

1292 = 92 + 102 + ... + 162.

1292 is nontrivially palindromic in base 12.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 12 and 92 contains 1292 itself.

It is an alternating number because its digits alternate between odd and even.

1292 is an undulating number in base 12.

It is a nialpdrome in base 6 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 77.

It is an arithmetic number, because the mean of its divisors is an integer number (210).

It is an amenable number.

1292 is a deficient number, since it is larger than the sum of its proper divisors (1228).

1292 is a wasteful number, since it uses less digits than its factorization.

1292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40 (or 38 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 1292 is about 35.9444015112. The cubic root of 1292 is about 10.8914952035.

The spelling of 1292 in words is "one thousand, two hundred ninety-two".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292